Question

If the point (3,4) lies on the graph of equation 3y — ax+7 find the value of a

Answer 1

If the point (3,4) lies on the given line, x=3 and y=4 will satisfy the given equation.

3y= ax+7
3(4)= a(3)+7
12 = 3a+7
12-7 = 3a
5= 3a
a=5/3